body {
    padding: 0;
    margin: 0;
    /*font-family: 微软雅黑, 黑体, serif;*/
    font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
}
a {
    text-decoration: none;
}